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Table 1 primary and secondary study outcomes and assessment instruments

From: A bio-psycho-social exercise program (RÜCKGEWINN) for chronic low back pain in rehabilitation aftercare - Study protocol for a randomised controlled trial

outcome/construct measuring instrument Literature
physical disability
pain-conditioned functional ability Hannover Functional Ability Questionnaire [43]
pain measures   
number of pain days Graded Cronic Pain Status (GCPS)  
pain history
functional (dis-)ability (1 Item)
  [46]
pain intensity Numeric Rating Scale (NRS) [45]
coping strategies, psychic disability and fear-avoidance beliefs
pain coping strategies Questionaire for detection of [48]
pain-conditioned psychic disability pain coping strategies (FESV)  
pain-related fear-avoidance and endurance coping strategies Avoidence-Endurance Questionaire (AEQ) [49]
fear-avoidance beliefs Tempa Scale of Kinesiophobia [50, 51]
catastrophizing Pain Catastrophing Scale (PCS) [52, 53]
physical activity, motivational and volitional factors
physical activity Freiburg Questionaire of physical activity [54]
intention, self-efficacy, HAPA-stage Health Process Action Approach (HAPA) [29, 55]
depression and quality of life assessment
quality of life assessment SF-12 [56, 57]
depression PHQ-D [58]
generalized anxiety disorder GAD-7 [59]
work satisfaction IRES-3 [60]
basic and social demographical variables
workability in days of sick leave in past 6 month Graded Cronic Pain Status (GCPS) [46]
work load at current employment hospitalization frequency social demographical rehabilitation core data-set [61]
other social demographical variables   
chronicity staging Mainz Pain Staging System (MPSS) [62]
Aftercare participation self developed questionaire items & attendance list -